.u-f{
	display: flex;
}
.u-f-ac{
	justify-content: center;
	align-items: center;
}
.u-f-al{
	justify-content: center;
	align-items: flex-start;
}
.u-f-js{
	justify-content: space-between;
}
.u-f-ja{
	justify-content:space-around;
}
.u-f1{
	flex:1;
}
.u-f-clumn {
	flex-direction: column;
}